Amount of assets pledged to secure a debt instrument.

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The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Description of the payment terms of the debt instrument (for example, whether periodic payments include principal and frequency of payments) and discussion about any contingencies associated with the payment.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average interest rate of debt outstanding.

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Amount of interest payable on debt, including, but not limited to, trade payables.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Debt instrument amortization period.

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Disclosure Of Borrowings Line Items.

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Debt - Additional Information (Detail) $ in Thousands, $ in Thousands		1 Months Ended	3 Months Ended	12 Months Ended
	May 01, 2020	Oct. 31, 2017 CAD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Mar. 31, 2020 CAD ($)
Disclosure Of Borrowings [Line Items]
Long term debt outstanding			$ 33,650
Debt payment terms			Each advance is to be repaid on a five-year, straight-line amortization of principal, repaid in monthly installments of principal plus interest at an interest rate of CA$ prime rate plus 200 basis points
Line of credit outstanding			$ 88	$ 106
Amounts drawn on facility		$ 250
Weighted average interest rate			6.10%	6.20%	6.10%
Prime Rate [Member]
Disclosure Of Borrowings [Line Items]
Basis on variable rate			CA$ prime rate plus 200 basis points
Accounts Payable And Accrued Liabilities [Member]
Disclosure Of Borrowings [Line Items]
Accrued interest payable			$ 161	$ 162
Revolving Operating Loan [Member]
Disclosure Of Borrowings [Line Items]
Maximum borrowing capacity					$ 13,000
Line of credit outstanding			150	38
Amounts drawn on facility			4,000	2,000
Securities pledged as collateral			25,148	$ 24,915
Non-Revolving Variable Rate Term Loan 2021 [Member] \| FCC Loan [Member]
Disclosure Of Borrowings [Line Items]
Long term debt outstanding			$ 30,428
Debt payment terms			The outstanding balance was repayable by way of monthly installments of principal and interest
Debt term	5 years
Debt interest rate			6.241%	6.391%	6.241%
Securities pledged as collateral			$ 165,442	$ 155,548
Debt Instrument Amortization Period	9 years and 9 months
Non-Revolving Fixed Rate Loan 2023 [Member]
Disclosure Of Borrowings [Line Items]
Debt interest rate			4.98%		4.98%
Maximum borrowing capacity					$ 3,000
Line of credit outstanding			$ 915	$ 1,066
Uncommitted Non-Revolving Credit Facility 2023 [Member]
Disclosure Of Borrowings [Line Items]
Maximum borrowing capacity					700
Uncommitted Non-Revolving Credit Facility 2023 [Member] \| Letters Of Guarantee [Member]
Disclosure Of Borrowings [Line Items]
Debt term			365 days
Maximum borrowing capacity					$ 300